JavaScript/String/CheckCamelCase.js at master · TheAlgorithms/JavaScript · GitHub

20 lines (16 loc) · 665 Bytes

// CheckCamelCase method checks the given string is in camelCase or not.

// Problem Source & Explanation: https://en.wikipedia.org/wiki/Camel_case

/**

* checkCamelCase method returns true if the string in camelCase, else return the false.

* @param {String} varName the name of the variable to check.

* @returns `Boolean` return true if the string is in camelCase, else return false.

const checkCamelCase = (varName) => {

// firstly, check that input is a string or not.

if (typeof varName !== 'string') {

throw new TypeError('Argument is not a string.')

}

const pat = /^[a-z][A-Za-z]*$/

return pat.test(varName)

}

export { checkCamelCase }

Expand file tree